package com.it.filter;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import com.it.entity.User;

@SuppressWarnings("serial")
public class InitFilter extends HttpServlet implements Filter {

	@Override
	public void doFilter(ServletRequest arg0, ServletResponse arg1, FilterChain arg2)
			throws IOException, ServletException {
		// TODO Auto-generated method stub
		HttpSession session= ((HttpServletRequest) arg0).getSession();
		User user=(User)session.getAttribute("CurrentUser");
		if(user==null){
			 ((HttpServletResponse)
					 arg1).sendRedirect("/Libraryms02/login.jsp");
		}
		arg2.doFilter(arg0, arg1);
	}

	@Override
	public void init(FilterConfig arg0) throws ServletException {
		// TODO Auto-generated method stub

	}

}
